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2 Cr + 3 Cl2 = 2 CrCl3
Ca(NO3)2(aq) + Al2(SO4)3(aq) = CaSO4 + Al(NO3)3 =>
3 Ca(NO3)2(aq) + Al2(SO4)3(aq) = 3 CaSO4 + 2 Al(NO3)3
C7H8 + H2 = C7H10 =>
C7H8 + H2 = C7H10
H2TiF6 + NaOH = Ti(OH)4 + NaF + H2O =>
H2TiF6 + 6 NaOH = Ti(OH)4 + 6 NaF + 2 H2O
Al(OH)3 + HCl = H2O + Al(OH)Cl2 =>
Al(OH)3 + 2 HCl = 2 H2O + Al(OH)Cl2
C6H5Cl + Na + CH3Cl = C6H5CH3 + NaCl =>
C6H5Cl + 2 Na + CH3Cl = C6H5CH3 + 2 NaCl
Zn + HNO2 = Zn(NO2)2 + H =>
Zn + 2 HNO2 = Zn(NO2)2 + 2 H
KAlSi3O8 + H2CO3 + H2O = KHCO3 + Al2Si2O5(OH)4 + H2SiO3 =>
2 KAlSi3O8 + 2 H2CO3 + 5 H2O = 2 KHCO3 + Al2Si2O5(OH)4 + 4 H2SiO3
NaC2H3O2 + H2SO4 = Na2SO4 + HCH3COO =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 2 HCH3COO
H2SO3 + K2MnO4 = MnO2 + KMnO4 + K2SO3 + H2O =>
2 H2SO3 + 3 K2MnO4 = MnO2 + 2 KMnO4 + 2 K2SO3 + 2 H2O
Na3AsO3 + HCl + H2S = As2S3 + NaCl + H2O =>
2 Na3AsO3 + 6 HCl + 3 H2S = As2S3 + 6 NaCl + 6 H2O
C2H4 + KMnO4 + H2SO4 = CH3COOH + K2SO4 + MnSO4 + H2O =>
5 C2H4 + 4 KMnO4 + 6 H2SO4 = 5 CH3COOH + 2 K2SO4 + 4 MnSO4 + 6 H2O
N2 + H2 + CO2 = CO(NH2)2 + H2O =>
N2 + 3 H2 + CO2 = CO(NH2)2 + H2O
NH3 + SO2 = H2S + HNO2 =>
NH3 + SO2 = H2S + HNO2
C2H4 + KMnO4 + H2SO4 = H2C2O4 + K2SO4 + MnSO4 + H2O =>
C2H4 + 2 KMnO4 + 3 H2SO4 = H2C2O4 + K2SO4 + 2 MnSO4 + 4 H2O
CCl4 + H2O = CO2 + HCl =>
CCl4 + 2 H2O = CO2 + 4 HCl
C2H4 + KMnO4 + H2SO4 = H2C2O4 + K2SO4 + MnSO4 + H2O =>
C2H4 + 2 KMnO4 + 3 H2SO4 = H2C2O4 + K2SO4 + 2 MnSO4 + 4 H2O
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq) =>
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq)
Zn + HNO2 = Zn(NO2)2 + NO + H2O =>
Zn + 4 HNO2 = Zn(NO2)2 + 2 NO + 2 H2O
Al2O3 + NaHCO3 = Na2O + Al(HCO3)3 =>
Al2O3 + 6 NaHCO3 = 3 Na2O + 2 Al(HCO3)3
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq) =>
AgNO3(aq) + HBr(aq) = AgBr(s) + HNO3(aq)
K2CO3 + Pb(C2H3O2)2 = K(C2H3O2) + PbCO3 =>
K2CO3 + Pb(C2H3O2)2 = 2 K(C2H3O2) + PbCO3
Pb2O3 = Pb3O4 + O2 =>
6 Pb2O3 = 4 Pb3O4 + O2
CuO(s) + H2SO4 = CuSO4 + H2O(l) =>
CuO(s) + H2SO4 = CuSO4 + H2O(l)
(NH4)2S + Pb(NO3)2 = NH4NO3 + PbS =>
(NH4)2S + Pb(NO3)2 = 2 NH4NO3 + PbS
Al2(SO4)3(aq) + Ca(NO3)2(aq) = Al(NO3)3(aq) + CaSO4(aq) =>
Al2(SO4)3(aq) + 3 Ca(NO3)2(aq) = 2 Al(NO3)3(aq) + 3 CaSO4(aq)
C7H8 + H2 = C6H12 =>
6 C7H8 + 18 H2 = 7 C6H12
Zn + HNO2 = ZnNO2 + H =>
Zn + HNO2 = ZnNO2 + H
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
H2SO3 + K2MnO4 = MnO2 + KMnO4 + KHSO3 + H2O =>
4 H2SO3 + 3 K2MnO4 = MnO2 + 2 KMnO4 + 4 KHSO3 + 2 H2O
KAlSi3O8 + H2CO3 + H2O = Al2Si2O5(OH)4 + SiO2 + K{+} + HCO3{-} =>
2 KAlSi3O8 + 2 H2CO3 + H2O = Al2Si2O5(OH)4 + 4 SiO2 + 2 K{+} + 2 HCO3{-}
Cl2 + H2O + HgO = Hg3O2Cl + HClO =>
3 Cl2 + 2 H2O + 6 HgO = 2 Hg3O2Cl + 4 HClO
CH2 + O = CH2O =>
CH2 + O = CH2O
Zn + HNO2 = Zn(NO3)2 + NO + H2O =>
Zn + 8 HNO2 = Zn(NO3)2 + 6 NO + 4 H2O
Be + NH4 = Be3N2 + H2 =>
3 Be + 2 NH4 = Be3N2 + 4 H2
K2CO3 + Pb(C2H3O2)2 = CH3CO2K + PbCO3 =>
K2CO3 + Pb(C2H3O2)2 = 2 CH3CO2K + PbCO3
H2CO3 + Ca(NO3)2 = HNO3 + CaCO3 =>
H2CO3 + Ca(NO3)2 = 2 HNO3 + CaCO3
MgS + O = MgSO4 =>
MgS + 4 O = MgSO4
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
Zn + HNO2 = Zn(NO2)2 + NO + H2O =>
Zn + 4 HNO2 = Zn(NO2)2 + 2 NO + 2 H2O
H2(SO4) + Sn = Sn(SO4)2 + H2 =>
2 H2(SO4) + Sn = Sn(SO4)2 + 2 H2
Fe(SCN)3 = Fe + S8 + C + N2 =>
8 Fe(SCN)3 = 8 Fe + 3 S8 + 24 C + 12 N2
Zn + HNO2 = Zn(NO3)2 + N2O + H2O =>
2 Zn + 10 HNO2 = 2 Zn(NO3)2 + 3 N2O + 5 H2O
Fe(SCN)3 = Fe + S8 + C + N2 =>
8 Fe(SCN)3 = 8 Fe + 3 S8 + 24 C + 12 N2
HF + O2 = H2O + F =>
4 HF + O2 = 2 H2O + 4 F
HOC6H4CH2OH + NaOH = NaOC6H4CH2ONa + H2O =>
HOC6H4CH2OH + 2 NaOH = NaOC6H4CH2ONa + 2 H2O
Fe(SCN)3 = Fe{3+} + SCN{-} =>
Fe(SCN)3 = Fe{3+} + 3 SCN{-}
MnO4{-} + H{+} + H2O2 = Mn{2+} + H2O + O2 =>
2 MnO4{-} + 6 H{+} + 5 H2O2 = 2 Mn{2+} + 8 H2O + 5 O2
FeI3 = FeI2 + I2 =>
2 FeI3 = 2 FeI2 + I2
Fe(SCN)3 = Fe{3+} + SCN{-} =>
Fe(SCN)3 = Fe{3+} + 3 SCN{-}
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